Admin menu Rename - Wordpress

wp-admin-menu-rename

//------------------------------------
// Method - 2
//-----------------------------------

function rename_flamingo() {
    
    global $menu;
    
    foreach($menu as $key => $item) {
      if ( $item[0] === 'Flamingo' ) {
          $menu[$key][0] = __('Anfragen','textdomain');     //change name
          $menu[$key][3] = __('Adressbuch','textdomain');   //does not work but should (needs another hook?)  
          $menu[$key][6] = __('dashicons-id','textdomain'); //change icon
      }
    }
   return false;
}
add_action( 'admin_menu', 'rename_flamingo', 999 );





//------------------------------------
// Method - 2
//-----------------------------------
// You can put this function in your functions.php

if (!function_exists('debug_admin_menus')):
function debug_admin_menus() {
    global $submenu, $menu, $pagenow;
    if ( current_user_can('manage_options') ) { // ONLY DO THIS FOR ADMIN
        if( $pagenow == 'index.php' ) {  // PRINTS ON DASHBOARD
            echo '<pre>'; print_r( $menu ); echo '</pre>'; // TOP LEVEL MENUS
            echo '<pre>'; print_r( $submenu ); echo '</pre>'; // SUBMENUS
        }
    }
}
add_action( 'admin_notices', 'debug_admin_menus' );
endif;

//This displays the complete wordpress admin menu on your dashboard for admin only.
//You scroll down in this list (which looks like this https://postimg.org/image/az7bpv8mh/)
//until you see Flamingo. in my case its number 26.
//you head back to functions.php and paste this function:

function menu_page_removal() {

    global $menu;

    // Rename flamingo into Submissions
    $menu[26][0] = __('Submissions','textdomain');

}
add_action( 'admin_menu', 'menu_page_removal' , 999);


//Save your functions and take a look in your dashboard.
//Flamingo should be renamed to Submissions.

//If everything works correct you can remove the first function debug_admin_menus , since its only for debugging.
//This works for most other menu items as well